CN105870537A - Temperature control method and system and battery system - Google Patents
Temperature control method and system and battery system Download PDFInfo
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- CN105870537A CN105870537A CN201610309764.8A CN201610309764A CN105870537A CN 105870537 A CN105870537 A CN 105870537A CN 201610309764 A CN201610309764 A CN 201610309764A CN 105870537 A CN105870537 A CN 105870537A
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- temperature
- liquid
- battery modules
- conduit
- heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
An embodiment of the invention provides a temperature control method and system and a battery system and belongs to the field of automobile batteries. The method comprises: acquiring by a controller, a temperature difference to be compared when a liquid drive device drives a liquid to flow in a liquid flow loop, the temperature difference to be compared being a temperature difference for two ends, extending along a heat exchange pipe, of a battery module and being acquired by a temperature transmission component; controlling the liquid drive device to drive the liquid of the liquid flow loop to flow from one high temperature end of the battery module into the heat exchange pipe when the controller monitors the temperature difference being greater than a preset temperature threshold. The method enables the temperature difference for the two ends of the battery module to be effectively balanced, solving the problem that temperature differences of batteries at different positions in the battery module tend to increase gradually, leading to the batteries being in a severe environment with high temperature rise and great temperature differences and affecting the service lives of the batteries.
Description
Technical field
The present invention relates to automobile batteries field, be specifically related to a kind of temperature-controlled process, system and battery
System.
Background technology
In recent years, owing to the problem of energy cost and environmental pollution is more and more prominent, pure electric automobile
And hybrid vehicle can significantly eliminate the advantage of even zero-emission vehicle tail gas with it, by political affairs
Mansion and the attention of each Automobile Enterprises.One of key technology of new-energy automobile is to provide the battery of power,
On the one hand the quality of battery decides the cost of electric automobile, on the other hand decides the row of electric automobile
Sail mileage.But pure electronic and hybrid vehicle still has a lot of technical problem to need to break through, battery
Service life and capacity attenuation are major issues, and the service life of battery and capacity attenuation and battery system
Temperature contrast and the temperature elevation amplitude of system have great relation.The battery of automobile can produce at work
Raw substantial amounts of heat, if this heat can not be discharged in time, it will make the battery modules at battery place
Temperature constantly rise, in battery modules, the temperature contrast of the battery of diverse location can gradually expand, and makes
Battery is in the adverse circumstances of high temperature rise, the big temperature difference, affects the service life of battery.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention be to provide a kind of temperature-controlled process, system and
Battery system, can gradually expand improving the temperature contrast of the battery of diverse location in battery modules, make
Battery is in the adverse circumstances of high temperature rise, the big temperature difference, the problem affecting the service life of battery.
First aspect, embodiments provides a kind of temperature-controlled process, is applied to temperature control
System, described temperature control system includes the liquid driving device for driving liquid to flow, for setting
The heat-exchange tube being placed in battery modules, described liquid driving device includes liquid driven part, first leads
Pipe and the second conduit, described first conduit is connected with described second conduit by described liquid driven part;
One end of described heat-exchange tube connects with described first conduit, and the other end connects with described second conduit,
Constitute liquid flow circuits;Described system also includes controller and for gathering described battery modules temperature
The temperature sensing component of degree, described controller passes with described liquid driving device and described temperature respectively
Sense assembly coupling;Described method includes: drive liquid at described liquid stream at described liquid driving device
In the flow process of dynamic loop, described controller obtains temperature gap to be compared, described temperature difference to be compared
Value passes in the described battery modules that assembly gathers along the two of described heat-exchange tube bearing of trend for described temperature
The temperature gap of end;When described monitoring control devices to described temperature gap is more than the temperature difference threshold preset,
Controlling described liquid driving device drives the liquid of described liquid flow circuits from described battery modules temperature
Higher one end flows into described heat-exchange tube.
Second aspect, embodiments provides a kind of temperature control system, and described temperature controls system
Unite and include the liquid driving device for driving liquid to flow, the heat friendship in being arranged at battery modules
Changing pipe, described liquid driving device includes liquid driven part, the first conduit and the second conduit, described
First conduit is connected with described second conduit by described liquid driven part;One end of described heat-exchange tube
Connecting with described first conduit, the other end connects with described second conduit, constitutes liquid flow circuits;
Described system also includes controller and for gathering the temperature sensing component of described battery modules temperature,
Described controller couples with described liquid driving device and described temperature sensing component respectively;Described control
Device processed, for driving liquid flow process in described liquid flow circuits when described liquid driving device
In, monitor described temperature and pass in the battery modules that assembly gathers along the two of described heat-exchange tube setting direction
The temperature gap of end;When described monitoring control devices to described temperature gap is more than the temperature difference threshold preset,
Controlling described liquid driving device drives the liquid of described liquid flow circuits from described battery modules temperature
Higher one end flows into described heat-exchange tube.
The third aspect, embodiments provides a kind of battery system, and described system includes battery mould
Group and temperature control system, be provided with multiple battery for providing the energy in described battery modules,
Described temperature control system includes the liquid driving device for driving liquid to flow, is arranged at described electricity
Heat-exchange tube in the module of pond, described liquid driving device include liquid driven part, the first conduit and
Second conduit, described first conduit is connected with described second conduit by described liquid driven part;Described
One end of heat-exchange tube connects with described first conduit, and the other end connects with described second conduit, constitutes
Liquid flow circuits;Described system also includes controller and for gathering described battery modules temperature
Temperature sensing component, described controller respectively with described liquid driving device and described TEMP group
Part couples;Described controller, for driving liquid to flow at described liquid when described liquid driving device
In loop in flow process, monitor described temperature and pass in the battery modules that assembly gathers along described heat exchange
The temperature gap at the two ends of pipe setting direction;When described monitoring control devices to described temperature gap is more than pre-
If temperature difference threshold time, control described liquid driving device drive described liquid flow circuits liquid from
One end that described battery modules temperature is higher flows into described heat-exchange tube.
A kind of temperature-controlled process, system and the battery system that the embodiment of the present invention provides, by institute
Stating liquid driving device drives liquid in described liquid flow circuits flow process, and described controller obtains
Taking temperature gap to be compared, described temperature gap to be compared is the described electricity that described temperature passes that assembly gathers
Along the temperature gap at two ends of described heat-exchange tube bearing of trend in the module of pond;When described monitoring control devices
To described temperature gap more than the temperature difference threshold preset time, control described liquid driving device and drive described
The liquid of liquid flow circuits flows into described heat-exchange tube from one end that described battery modules temperature is higher,
With the temperature gap at active balance battery modules two ends, improve the battery of diverse location in battery modules
Temperature contrast can gradually expand, make battery be in the adverse circumstances of high temperature rise, the big temperature difference, impact
The problem in the service life of battery.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to enforcement
In example, the required accompanying drawing used is briefly described, it will be appreciated that the following drawings is only shown
Go out certain embodiments of the present invention, be therefore not construed as the restriction to scope, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, also
Other relevant accompanying drawings can be obtained according to these accompanying drawings.
The structural representation of a kind of temperature control system that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 shows for the connection of the temperature control system middle controller that the embodiment of the present invention provides
Meaning block diagram;
The bearing of trend schematic diagram of the heat-exchange tube that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the another kind of temperature control system that Fig. 4 provides for the embodiment of the present invention
Figure;
Middle a kind of liquid of the temperature control system that Fig. 5 provides for the embodiment of the present invention flows to
Schematic diagram;
The middle another kind of liquid stream of the temperature control system that Fig. 6 provides for the embodiment of the present invention
To schematic diagram;
The structural representation of the another kind of temperature control system that Fig. 7 provides for the embodiment of the present invention
Figure;
The flow chart of a kind of temperature-controlled process that Fig. 8 provides for the embodiment of the present invention;
Interval the showing of coupling in a kind of temperature-controlled process that Fig. 9 provides for the embodiment of the present invention
It is intended to;
The flow chart of the another kind of temperature-controlled process that Figure 10 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Generally herein described in accompanying drawing and the group of the embodiment of the present invention that illustrates
Part can be arranged with various different configurations and design.Therefore, below to the basis provided in the accompanying drawings
The detailed description of inventive embodiment is not intended to limit the scope of claimed invention, but only
Only represent the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not having
There is on the premise of making creative work the every other embodiment obtained, broadly fall into present invention protection
Scope.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Definition and explanation.Meanwhile, in describing the invention, term " first ", " second " etc. are only used
Describe in distinguishing, and it is not intended that indicate or hint relative importance.
Refer to Fig. 1, a kind of temperature control system 100 that the embodiment of the present invention provides, described temperature control
System 100 processed includes the liquid driving device for driving liquid to flow and heat-exchange tube 110.Wherein,
Heat-exchange tube 110 is used for being arranged in battery modules 210, in order to from the liquid of its internal flow with
Battery modules 210 occurs heat exchange to reduce the temperature of battery modules 210.The number of heat-exchange tube 110
Amount can set according to actual conditions, can only have 1, it is also possible to arranges 2 as shown in Figure 1.
Described liquid driving device includes liquid driven part the 120, first conduit 121 and the second conduit
122, described first conduit 121 is connected with described second conduit 122 by described liquid driven part 120;
One end of described heat-exchange tube 110 connects with described first conduit 121, and the other end is led with described second
Pipe 122 connects, and constitutes liquid flow circuits.After constituting liquid flow circuits, liquid driven part 120
Liquid can be driven to circulate in described loop.Such as, under the driving of liquid driven part 120
Liquid flow to the first conduit 121 from liquid driven part 120, is then handed over heat by the first conduit 121
The pipeline changed between pipe 110 one end flow in heat-exchange tube 110, then from another of heat-exchange tube 110
Pipeline between end and the second conduit 122 flow to the second conduit 122, finally flow back into liquid driven part
In 120.Lower the temperature so that liquid can circulate in above-mentioned loop to battery modules 210.
It should be noted that during connection the first conduit 121 with heat-exchange tube 110, permissible
Directly the first conduit 121 is connected with heat-exchange tube 110, it is also possible to carried out even by other conduit
Logical.Accordingly, during connection the second conduit 122 with heat-exchange tube 110, it is also possible to directly
Second conduit 122 is connected with heat-exchange tube 110, it is also possible to connected by other conduit.
As in figure 2 it is shown, described temperature control system 100 also includes controller 310 and for gathering
The temperature sensing component of described battery modules temperature, described controller 310 respectively with described liquid driven
Device and the coupling of described temperature sensing component.
After arranging controller 310 and temperature sensing component, as a kind of control mode, described temperature
Degree sensory package includes that the first temperature sensor 320, the first temperature sensor 320 can be arranged at battery
The internal collecting temperature of module 210, and the temperature value of collection is delivered to controller 310.Work as controller
When 310 temperature values monitoring the first temperature sensor 320 collection are more than the first temperature threshold preset,
Send driving instruction to described liquid driven part 120, make liquid driven part 120 drive liquid to start
Flow in described loop, lower the temperature to described battery modules 210.
It should be noted that the bearing of trend of above-mentioned heat-exchange tube 110 and can be for arrow institute in Fig. 3
The direction stated.
If liquid is under the driving of liquid driven part 120, flow from one end of heat-exchange tube 110 all the time
Enter heat-exchange tube 110, be likely to result in and prolong the bearing of trend of heat-exchange tube 110 and have bigger temperature difference.
The problem affecting the service life of battery in battery modules 210.In order to improve the problems referred to above, described
Controller 310 is for driving liquid to flow in described liquid flow circuits at described liquid driven part 120
During Dong, monitor described temperature and pass in the battery modules 210 that assembly gathers along described heat-exchange tube 110
The temperature gap at the two ends of setting direction.
As a kind of monitoring mode, described temperature sensing component also include the second temperature sensor 330 with
And three-temperature sensor 340.Wherein, the second temperature sensor 330 is arranged at described heat-exchange tube
One end of 110 bearing of trends, three-temperature sensor 340 is arranged at described heat-exchange tube 110 side of extension
To the other end.Described second temperature that the most described controller 310 will be able to receive with the default cycle
Temperature value and the temperature value of three-temperature sensor 340 collection that degree sensor 330 gathers contrast,
Obtain described temperature gap, and the temperature gap obtained is contrasted with the temperature difference threshold preset.
When described controller 310 monitors described temperature gap more than the temperature difference threshold preset, control
Described liquid driven part 120 drives the liquid of described liquid flow circuits from described battery modules 210 temperature
Spend higher one end and flow into described heat-exchange tube 110 so that the liquid for cooling can be at controller
Under the control of 310, cycle alternation flows into heat-exchange tube 110, to avoid from the two ends of heat-exchange tube 110
Liquid flows into heat-exchange tube 110 all the time from one end of heat-exchange tube 110, causes battery modules 210 in heat
There is bigger temperature difference at the two ends of the bearing of trend of exchange pipe 110, affect the service life of battery.
As a kind of embodiment, as shown in Figure 4, described liquid driven part 120 can be water pump,
The first valve 123 that described liquid driving device also includes electrically connecting with described controller 310 respectively,
Two valve the 124, the 3rd valve 125 and the 4th valves 126, described water pump be provided with water inlet and
Delivery port, described first valve 123 connects with described delivery port and described first conduit 121 respectively,
Described second valve 124 connects with described first conduit 121 and described water inlet respectively, and the described 3rd
Valve 125 connects with described second conduit 122 and described water inlet respectively, described 4th valve 126
Connect with described second conduit 122 and described delivery port respectively.
Such as, when controller is after liquid driven part sends enabled instruction, as it is shown in figure 5, controller
Can first control the second valve 124 and the 4th valve 126 is closed, the first valve 123 and the 3rd
Valve 125 is opened, and as shown in figure, arrow points to, liquid driven part 120 can drive liquid from liquid
Body actuator 120 flows to the first conduit 121, then the A from battery modules 210 through the first valve 123
End flows into heat-exchange tube 110, flows out heat-exchange tube 110 from the B end of battery modules 210, finally from the
Two conduits 122 are through the 3rd valve 125 flow back fluid actuator 120.
It is arranged at the temperature value T0 that A end the second temperature sensor 330 gathers when controller 310 monitors
It is more than the temperature preset with the difference of the temperature value T1 of three-temperature sensor 340 collection being arranged at B end
Difference limen value, and when T1 is more than T0.In order to reduce the temperature difference, as shown in Figure 6, controller 310 is permissible
Control the first valve 123 and the 3rd valve 125 is closed, the second valve 124 and the 4th valve 126
Opening, liquid flows to then change into Fig. 6 such as and plants shown in arrow, from liquid driven part 120 through the 4th valve
Door 126 flows to the second conduit 122, then flows into heat-exchange tube 110 from the B end of battery modules 210, from
The A end of battery modules 210 flows out heat-exchange tube 110, finally from the first conduit 121 through the second valve
124 flow back fluid actuators 120, thus change the liquid flow direction in the loop, with balancing battery module
The temperature difference between the side a and b of 210.
When during lowering the temperature to battery modules 210, for the ease of flowing out the liquid of heat-exchange tube 110
Body can quickly be lowered the temperature, as it is shown in fig. 7, described second conduit 122 can pass through radiator 130
Connecting with described heat-exchange tube 110, described radiator 130 electrically connects with described controller 310.Institute
State radiator 130, may be used for when controller 310 monitors the battery that described temperature sensing component gathers
When the temperature of module 210 is more than preset first temperature threshold value, the control instruction of response controller starts work
Make.Such as, monitor, when controller 310, the battery modules 210 that the first temperature sensor 320 gathers
When temperature is more than described first temperature threshold, enabled instruction can be sent to radiator 130, so that dissipating
Hot device 130 is started working.
As a kind of embodiment, described first conduit 121 can be by heater 140 and described warm
Exchange pipe 110 connects, and described heater 140 electrically connects with described controller 310, for when controlling
Device 310 monitors little default second temperature of temperature of the battery modules 210 that described temperature sensing component gathers
During degree threshold value, the control instruction of response controller 310 is started working.
The temperature control system that the embodiment of the present invention provides, by driving liquid at described liquid driving device
Body is in described liquid flow circuits flow process, and described controller obtains temperature gap to be compared, institute
Stating temperature gap to be compared is that described temperature passes in the described battery modules that assembly gathers along described heat exchange
The temperature gap at the two ends of pipe bearing of trend;When described monitoring control devices to described temperature gap is more than pre-
If temperature difference threshold time, control described liquid driving device drive described liquid flow circuits liquid from
One end that described battery modules temperature is higher flows into described heat-exchange tube, to balance heat-exchange tube extension side
To the temperature gap at two ends, improving in battery modules the temperature contrast of the battery of diverse location can be by
Flaring is big, makes battery be in the adverse circumstances of high temperature rise, the big temperature difference, affects the service life of battery
Problem.
Refer to Fig. 8, a kind of temperature-controlled process that the embodiment of the present invention provides, it is applied to aforesaid temperature
Degree control system, described method includes:
Step S410: drive liquid to flow at described liquid flow circuits at described liquid driving device
Cheng Zhong, described controller obtains temperature gap to be compared, and described temperature gap to be compared is described temperature
Pass the temperature difference at two ends along described heat-exchange tube bearing of trend in the described battery modules that assembly gathers
Value;
Step S420: when described monitoring control devices to described temperature gap is more than the temperature difference threshold preset,
Controlling described liquid driving device drives the liquid of described liquid flow circuits from described battery modules temperature
Higher one end flows into described heat-exchange tube.
It is appreciated that the battery modules described in the present embodiment is used to electric automobile and provides power
The energy.After battery modules is arranged on electric automobile, the transport condition that corresponding electric automobile is different,
Battery modules has different duties.Such as, when electric automobile is when travelling at a slow speed, battery mould
Group is in the first duty, and when electric automobile is when running at high speed, battery modules is in the second work
Make state.It should be noted that how to define above-mentioned at a slow speed with at a high speed can be according to actual conditions
Determine, such as, can 20 kilometers/hour are defined as at a slow speed, 30 kilometers/hour are defined as at a high speed.
It is of course also possible to 30 kilometers/hour are defined as at a slow speed, 40 kilometers/hour are defined as at a high speed.Only
Speed corresponding to be at a slow speed less than the speed that height is corresponding.
Corresponding different duty, the speed that the temperature of battery modules rises has difference, then corresponding
The rate of change of the temperature difference at battery modules two ends also can be different.When electric automobile low cruise, two
End difference variation speed can than electric automobile high-speed cruising time difference variation speed slow.In order to
Regulate the temperature difference more rapidly and effectively, preferably implement as one, when described monitoring control devices is to institute
When stating temperature gap more than the temperature difference threshold preset, the duty of described battery modules can be obtained;
Described controller control described liquid driving device drive liquid in described liquid flow circuits with institute
State flow velocity corresponding to duty and flow into described heat exchange from one end that described battery modules temperature is higher
Pipe.As a kind of embodiment, the rate of change of the temperature of battery modules described in described monitoring control devices,
Described rate of change is mated with the reduced parameter preset, determines described battery according to matching result
The duty of module.
As it is shown in figure 9, reduced parameter can be provided with multiple coupling interval, each coupling interval is arranged
There is the flow velocity of correspondence, such as, when the rate of change monitoring temperature falls at interval [a, b], the most permissible
Judge that battery modules is in the first duty, and send control instruction to liquid driven part, make liquid
Actuator drives liquid to flow with speed M.When the rate of change monitoring temperature falls at interval [c, d]
Time, then can be determined that battery modules is in the second duty, and refer to the transmission control of liquid driven part
Order, makes liquid driven part drive liquid to flow with rate N such that it is able to regulate more rapidly and effectively
The temperature difference.
Refer to Figure 10, a kind of temperature-controlled process that the embodiment of the present invention provides, it is applied to aforesaid
Temperature control system, described method includes:
Step S510: when the temperature of the battery modules that monitoring control devices gathers to described temperature sensing component
During more than preset first temperature threshold value, control described liquid driving device and drive liquid at described liquid stream
Flow in dynamic loop.
Step S520: drive liquid to flow at described liquid flow circuits at described liquid driving device
Cheng Zhong, described controller obtains temperature gap to be compared, and described temperature gap to be compared is described temperature
Pass the temperature difference at two ends along described heat-exchange tube bearing of trend in the described battery modules that assembly gathers
Value.
Step S530: when described monitoring control devices to described temperature gap is more than the temperature difference threshold preset,
Controlling described liquid driving device drives the liquid of described liquid flow circuits from described battery modules temperature
Higher one end flows into described heat-exchange tube.
Step S540: when the temperature of the battery modules that monitoring control devices gathers to described temperature sensing component
During more than preset second temperature threshold value, control described radiator and start working.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, above-mentioned
The specific works process of the method described, is referred to the corresponding process in aforementioned system embodiment,
This repeats no more.
In sum, temperature-controlled process, system and the battery system that the embodiment of the present invention provides is logical
Cross at described liquid driving device driving liquid in described liquid flow circuits flow process, described control
Device processed obtains temperature gap to be compared, and described temperature gap to be compared is that described temperature passes assembly collection
Along the temperature gap at two ends of described heat-exchange tube bearing of trend in described battery modules;When described control
When device monitors described temperature gap more than the temperature difference threshold preset, control described liquid driving device and drive
The liquid of dynamic described liquid flow circuits flows into described heat from one end that described battery modules temperature is higher and hands over
Change pipe, so that in the bigger temperature of will not maintaining for a long time at the two ends of heat-exchange tube bearing of trend
Difference, improving the temperature contrast of the battery of diverse location in battery modules can gradually expand, and makes battery
It is in the adverse circumstances of high temperature rise, the big temperature difference, the problem affecting the service life of battery.
In several embodiments provided herein, it should be understood that disclosed apparatus and method,
Can also realize by another way.Device embodiment described above is only schematically,
Such as, the flow chart in accompanying drawing and block diagram show the device of multiple embodiments according to the present invention, side
Method and architectural framework in the cards, function and the operation of computer program.In this, stream
Each square frame in journey figure or block diagram can represent a module, program segment or a part for code, institute
The part stating module, program segment or code comprises one or more logic function for realizing regulation
Executable instruction.It should also be noted that at some as in the implementation replaced, square frame is marked
The function of note can also occur to be different from the order marked in accompanying drawing.Such as, two continuous print sides
Frame can essentially perform substantially in parallel, and they can also perform sometimes in the opposite order, and this depends on
Depending on involved function.It is also noted that each square frame in block diagram and/or flow chart and
The combination of the square frame in block diagram and/or flow chart, can be with performing the function of regulation or the special of action
Hardware based system realizes, or can realize with the combination of specialized hardware with computer instruction.
It addition, each functional module in each embodiment of the present invention can integrate formation one
Independent part, it is also possible to be modules individualism, it is also possible to two or more module collection
It is shaped as an independent part.
If described function realizes using the form of software function module and as independent production marketing or make
Used time, can be stored in a computer read/write memory medium.Based on such understanding, this
Part that prior art is contributed by bright technical scheme the most in other words or this technical scheme
Part can embody with the form of software product, and this computer software product is stored in a storage
In medium, including some instructions with so that a computer equipment (can be personal computer, take
Business device, or the network equipment etc.) perform completely or partially walking of method described in each embodiment of the present invention
Suddenly.And aforesaid storage medium includes: USB flash disk, portable hard drive, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or
The various medium that can store program code such as CD.It should be noted that in this article, such as
The relational terms of one and second or the like be used merely to an entity or operation and another entity or
Operating space separates, and exists any this between not necessarily requiring or imply these entities or operating
Actual relation or order.And, term " includes ", " comprising " or its any other become
Body is intended to comprising of nonexcludability, so that include the process of a series of key element, method, thing
Product or equipment not only include those key elements, but also include other key elements being not expressly set out, or
Person is also to include the key element intrinsic for this process, method, article or equipment.The most more
In the case of restriction, statement " including ... " key element limited, it is not excluded that including
State and the process of key element, method, article or equipment there is also other identical element.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention
Protection domain within.It should also be noted that similar label represents similar with letter in following accompanying drawing
, therefore, the most a certain Xiang Yi accompanying drawing is defined, then it is right to need not in accompanying drawing subsequently
It defines further and explains.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art, can in the technical scope that the invention discloses
Readily occur in change or replace, all should contain within protection scope of the present invention.Therefore, the present invention
Protection domain should described be as the criterion with scope of the claims.
It should be noted that in this article, the relational terms of such as first and second or the like is only used
By an entity or operation separate with another entity or operating space, and not necessarily require or
Imply relation or the order that there is any this reality between these entities or operation.And, term
" include ", " comprising " or its any other variant are intended to comprising of nonexcludability, thus
Make to include that the process of a series of key element, method, article or equipment not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, thing
Product or the intrinsic key element of equipment.In the case of there is no more restriction, statement " include one
Individual ... " key element that limits, it is not excluded that include the process of described key element, method, article or
Equipment there is also other identical element.
Claims (10)
1. a temperature-controlled process, it is characterised in that be applied to temperature control system, described temperature
Control system includes the liquid driving device for driving liquid to flow, in being arranged at battery modules
Heat-exchange tube, described liquid driving device includes liquid driven part, the first conduit and the second conduit,
Described first conduit is connected with described second conduit by described liquid driven part;Described heat-exchange tube
One end connects with described first conduit, and the other end connects with described second conduit, constitutes liquid and flows back
Road;Described temperature control system also includes controller and for gathering the temperature of described battery modules temperature
Degree sensory package, described controller respectively with described liquid driving device and described temperature sensing component
Coupling;Described method includes:
At described liquid driving device driving liquid in described liquid flow circuits flow process, described
Controller obtains temperature gap to be compared, and described temperature gap to be compared is that described temperature sensing component is adopted
Along the temperature gap at two ends of described heat-exchange tube bearing of trend in the described battery modules of collection;
When described monitoring control devices to described temperature gap is more than the temperature difference threshold preset, control described
Liquid driving device drive described liquid flow circuits liquid from described battery modules temperature higher one
End flows into described heat-exchange tube.
Method the most according to claim 1, it is characterised in that when described monitoring control devices is to institute
When stating temperature gap more than the temperature difference threshold preset, control described liquid driving device and drive described liquid
Liquid in flow circuits flows into described heat-exchange tube, bag from one end that described battery modules temperature is higher
Include:
When described monitoring control devices to described temperature gap is more than the temperature difference threshold preset, obtain described
The duty of battery modules;
Described controller control described liquid driving device drive liquid in described liquid flow circuits with
The flow velocity corresponding with described duty flows into described heat from one end that described battery modules temperature is higher and hands over
Change pipe.
Method the most according to claim 2, it is characterised in that the described battery modules of described acquisition
Duty, including:
The rate of change of the temperature of battery modules described in described monitoring control devices, by described rate of change with
The reduced parameter preset is mated, and determines the duty of described battery modules according to matching result.
Method the most according to claim 1, it is characterised in that when described liquid driving device drives
Hydrodynamic body in described liquid flow circuits in flow process, temperature biography group described in described monitoring control devices
Along before the temperature gap at the two ends of described heat-exchange tube setting direction in the battery modules that part gathers, also
Including:
The temperature of the battery modules gathered to described temperature sensing component when monitoring control devices is more than presetting
During the first temperature threshold, control described liquid driving device and drive liquid in described liquid flow circuits
Flowing.
Method the most according to claim 1, it is characterised in that described first conduit is by heat radiation
Device connects with described heat-exchange tube, and described radiator electrically connects with described controller, described method, also
Including:
The temperature of the battery modules gathered to described temperature sensing component when monitoring control devices is more than presetting
During the second temperature threshold, control described radiator and start working.
6. a temperature control system, it is characterised in that described temperature control system includes for driving
The liquid driving device of liquid flowing, for the heat-exchange tube that is arranged in battery modules, described liquid
Driving means includes that liquid driven part, the first conduit and the second conduit, described first conduit pass through institute
State liquid driven part to connect with described second conduit;One end of described heat-exchange tube and described first conduit
Connection, the other end connects with described second conduit, constitutes liquid flow circuits;Described system also includes
Controller and for gathering the temperature sensing component of described battery modules temperature, described controller is respectively
Couple with described liquid driving device and described temperature sensing component;
Described controller, for driving liquid at described liquid flow circuits when described liquid driving device
In middle flow process, monitor in the battery modules of described temperature biography assembly collection and set along described heat-exchange tube
Put the temperature gap at the two ends in direction;When described monitoring control devices to described temperature gap more than preset
During temperature difference threshold, control described liquid driving device and drive the liquid of described liquid flow circuits from described
One end that battery modules temperature is higher flows into described heat-exchange tube.
System the most according to claim 6, it is characterised in that described controller, specifically for
When monitoring described temperature gap more than the temperature difference threshold preset, obtain the work shape of described battery modules
State;Control described liquid driving device drive liquid in described liquid flow circuits with described work
Flow velocity corresponding to state flows into described heat-exchange tube from one end that described battery modules temperature is higher.
System the most according to claim 6, it is characterised in that described liquid driven part is water pump,
The first valve that described liquid driving device also includes electrically connecting with described controller respectively, the second valve,
3rd valve and the 4th valve, described water pump is provided with water inlet and delivery port, described first valve
Door connects with described delivery port and described first conduit respectively, and described second valve is respectively with described first
Conduit connects with described water inlet, described 3rd valve respectively with described second conduit and described water inlet
Mouth connection, described 4th valve connects with described second conduit and described delivery port respectively.
System the most according to claim 6, it is characterised in that described first conduit is by heat radiation
Device connects with described heat-exchange tube, and described radiator electrically connects with described controller, described radiator,
For the temperature of battery modules that gathers to described temperature sensing component when monitoring control devices more than presetting the
During one temperature threshold, the control instruction of response controller is started working.
10. a battery system, it is characterised in that described system includes battery modules and temperature control
System processed, is provided with multiple battery for providing the energy in described battery modules, described temperature controls
System includes the liquid driving device for driving liquid to flow, the heat being arranged in described battery modules
Exchange pipe, described liquid driving device includes liquid driven part, the first conduit and the second conduit, institute
State the first conduit to be connected with described second conduit by described liquid driven part;The one of described heat-exchange tube
End connects with described first conduit, and the other end connects with described second conduit, constitutes liquid flow circuits;
Described system also includes controller and for gathering the temperature sensing component of described battery modules temperature,
Described controller couples with described liquid driving device and described temperature sensing component respectively;
Described controller, for driving liquid at described liquid flow circuits when described liquid driving device
In middle flow process, monitor in the battery modules of described temperature biography assembly collection and set along described heat-exchange tube
Put the temperature gap at the two ends in direction;When described monitoring control devices to described temperature gap more than preset
During temperature difference threshold, control described liquid driving device and drive the liquid of described liquid flow circuits from described
One end that battery modules temperature is higher flows into described heat-exchange tube.
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CN109980313A (en) * | 2017-12-27 | 2019-07-05 | 河南森源重工有限公司 | A kind of the heat management control method and system of battery pack |
CN113753237A (en) * | 2021-09-21 | 2021-12-07 | 中国航空工业集团公司西安飞机设计研究所 | Temperature control decoupling method for refrigeration assembly |
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